988892905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10454

約数の個数: 64

約数和(自身を含む): 1677312000

約数和(自身を除く): 688419095

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 91, 95, 133, 143, 209, 247, 385, 455, 665, 715, 1001, 1045, 1235, 1463, 1729, 2717, 5005, 7315, 8645, 10399, 13585, 19019, 51995, 72793, 95095, 114389, 135187, 197581, 363965, 571945, 675935, 800723, 946309, 987905, 1383067, 1487057, 2173391, 2568553, 4003615, 4731545, 6915335, 7435285, 10409399, 10866955, 12842765, 15213737, 17979871, 28254083, 52046995, 76068685, 89899355, 141270415, 197778581, 988892905]

約数ペア:

[(1, 988892905), (5, 197778581), (7, 141270415), (11, 89899355), (13, 76068685), (19, 52046995), (35, 28254083), (55, 17979871), (65, 15213737), (77, 12842765), (91, 10866955), (95, 10409399), (133, 7435285), (143, 6915335), (209, 4731545), (247, 4003615), (385, 2568553), (455, 2173391), (665, 1487057), (715, 1383067), (1001, 987905), (1045, 946309), (1235, 800723), (1463, 675935), (1729, 571945), (2717, 363965), (5005, 197581), (7315, 135187), (8645, 114389), (10399, 95095), (13585, 72793), (19019, 51995)]